add support for gitlab authentification

.env.example

@@ -50,6 +50,10 @@ OKTA_BASE_URL=false
 OKTA_KEY=false
 OKTA_SECRET=false
 
+GITLAB_KEY=false
+GITLAB_SECRET=false
+GITLAB_INSTANCE_URI=false
+
 # External services such as Gravatar
 DISABLE_EXTERNAL_SERVICES=false
 

app/Providers/EventServiceProvider.php

@@ -18,6 +18,7 @@ class EventServiceProvider extends ServiceProvider
             'SocialiteProviders\Slack\SlackExtendSocialite@handle',
             'SocialiteProviders\Azure\AzureExtendSocialite@handle',
             'SocialiteProviders\Okta\OktaExtendSocialite@handle',
+            'SocialiteProviders\GitLab\GitLabExtendSocialite@handle',
         ],
     ];
 

app/Services/SocialAuthService.php

@@ -16,7 +16,7 @@ class SocialAuthService
     protected $socialite;
     protected $socialAccount;
 
-    protected $validSocialDrivers = ['google', 'github', 'facebook', 'slack', 'twitter', 'azure', 'okta'];
+    protected $validSocialDrivers = ['google', 'github', 'facebook', 'slack', 'twitter', 'azure', 'okta', 'gitlab'];
 
     /**
      * SocialAuthService constructor.

composer.json

@@ -18,7 +18,8 @@
         "barryvdh/laravel-snappy": "^0.4.0",
         "socialiteproviders/slack": "^3.0",
         "socialiteproviders/microsoft-azure": "^3.0",
-        "socialiteproviders/okta": "^1.0"
+        "socialiteproviders/okta": "^1.0",
+        "socialiteproviders/gitlab": "^3.0"
     },
     "require-dev": {
         "filp/whoops": "~2.0",

config/services.php

@@ -94,6 +94,14 @@ return [
         'name'          => 'Okta',
     ],
 
+    'gitlab' => [
+        'client_id' => env('GITLAB_KEY'),
+       'client_secret' => env('GITLAB_SECRET'),
+       'redirect' => env('APP_URL') . '/login/service/gitlab/callback',
+       'instance_uri' => env('GITLAB_INSTANCE_URI'), // needs only for GitLab self hosted
+       'name'          => 'Gitlab',
+    ],
+
     'ldap' => [
         'server' => env('LDAP_SERVER', false),
         'dn' => env('LDAP_DN', false),